Home / 2,076.18-3,114.60-760.08

Finding the Fourth Proportional to 2,076.18, 3,114.60 and 760.08

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Solution

The fourth proportional to 2,076.18, 3,114.60 and 760.08 is: 1,140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.18 : 3,114.60 = 760.08 : x
  2. Step 2: Convert to fraction form
    2,076.18/3,114.60 = 760.08/x
  3. Step 3: Cross multiply
    2,076.18x = 3,114.60 × 760.08
  4. Step 4: Simplify right side
    2,076.18x = 2,367,345.17
  5. Step 5: Solve for x
    x = 2,367,345.17/2,076.18
  6. Step 6: Final answer
    x = 1,140.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.